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The Proposed Grand New York Hotel

The Great Markets of Paris

Business and Manufacturing Items

Preller's Patent Tanning Process

Kips and Allmendinger's Oiler

Ward's Universal Clothes Pin

Steam Boilers--Their Form Construction and Material

Number Four

Comstock's Lumber Wagon Rack

Editorial Summary

Answers to Correspondents

Recent American and Foreign Patents

Calkin's Axle Oiler

Relief of the City--Elevated Railroads

American Standard for Bolts and Nuts

Wooden Pavements

The Mississippi Levees

The Ascent of Mountains


Journal of the Paris Exposition

Patent Claims

Dickey's Improved Charger

How Russia Leather is Made


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May 25, 1867

Confronting Common Wisdom